Chapter 7 | Repair
www.buffalofilter.com +1 716.835.7000 (International) 800.343.2324 (United States) [email protected]
Disassembly
(continued)
7-7
Printed Circuit Board (PCB)
1. Remove the fascia assembly by following the Fascia
Disassembly instructions on page 7-4.
2. Remove the HOUSING TOP VV by following the Body
Disassembly instructions on page 7-6.
3. Locate the printed circuit board.
4. Disconnect the two (2) gray motor wires from the printed
circuit board connectors J1E (FAN-LN) and J1D (FAN-NU)
(
Figure 7-8
).
5. Disconnect the brown wire from the printed circuit board
connector J1B (AC-LINE) (
Figure 7-8
).
6. Disconnect the blue wire from the printed circuit board
connector J1C (AC-NEUT) (
Figure 7-8
).
7. Disconnect the green/yellow wire from the printed circuit
board connector J1A (EARTH) (
Figure 7-8
).
8. Disconnect the PCB HARNESS 33 the from the printed
circuit board jack J6 (
Figure 7-9
).
9. Disconnect the RFID ANTENNA 24" from the printed circuit
board jack J7 (RFID ANT) (
Figure 7-9
).
10. Locate the four (4) screws (
Figure 7-10
) securing the printed
circuit board to the housing bottom assembly.
11. Remove the four (4) screws using a phillips screwdriver.
12. Remove the printed circuit board.
PCB
HARNESS 33
RFID
ANTENNA 24"
B SCREW 6-32 ¼ PH PN S ZP
Qty - (4)
Figure 7-9
Figure 7-10
PCB RFID 120V
(Model VV120)
PCB RFID 220V
(Model VV220)
PCB RFID 220V SEALED
(Model DKVV220)
HOUSING BOTTOM VV
(Models VV120 and VV220)
HOUSING BOTTOM VV SEALED
(Model DKVV220)
Figure 7-8
Motor Wires
AC-LINE
AC-NEUT
EARTH
Figure 7-11
